﻿using System;

class CircleCheck
{
    static void Main()
    {
        Console.WriteLine("Enter the point coordinates:");
        Console.Write("x = ");
        double xPoint = Double.Parse(Console.ReadLine());
        Console.Write("y = ");
        double yPoint = Double.Parse(Console.ReadLine());
        double hypotenuse = Math.Sqrt(xPoint*xPoint + yPoint*yPoint);
        double radius = 5;
        if (hypotenuse <= radius)
        {
            Console.WriteLine("The point ({0}, {1}) is inside the circle K(0, 5).", xPoint, yPoint);
        }
        else
        {
            Console.WriteLine("The point ({0}, {1}) is not inside the circle K(0, 5).", xPoint, yPoint);
        }
    }
}
